Search (22 results, page 1 of 2)

  • × theme_ss:"Semantic Web"
  • × year_i:[2000 TO 2010}
  1. Stojanovic, N.: Ontology-based Information Retrieval : methods and tools for cooperative query answering (2005) 0.14 
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    Content
    Vgl.: http%3A%2F%2Fdigbib.ubka.uni-karlsruhe.de%2Fvolltexte%2Fdocuments%2F1627&ei=tAtYUYrBNoHKtQb3l4GYBw&usg=AFQjCNHeaxKkKU3-u54LWxMNYGXaaDLCGw&sig2=8WykXWQoDKjDSdGtAakH2Q&bvm=bv.44442042,d.Yms.
  2. Yahoo kündigt semantische Suche an (2008) 0.02 
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    Content
    "Yahoo hat angekündigt einige der wesentlichen Standards des semantischen Webs in seine Suchmaschine zu integrieren. Das Unternehmen will einige semantische Web-Indexate in seine Suchtechnik einbauen. Anstatt eine lange Liste von Links auszuspucken, könnte eine semantische Suchmaschine verstehen, welche Art von Objekt oder Person gesucht wird und zusätzliche Information anbieten. Die neue Technologie könnte etablierte Angebote unter Druck setzen, erwarten Experten. Google setzt nach wie vor auf konventionelle Technologie. Der Schachzug des Unternehmens könnte der Verbreitung der Technologie erheblichen Auftrieb geben. Trotz des bemerkenswerten Fortschritts des semantischen Webs der vergangenen Jahre habe der durchschnittliche User davon noch nichts bemerkt, meint Amit Kumar, Product Management Director bei Yahoo. Yahoo habe nun gemerkt, dass sich das langsam ändere. Wie in den Anfangstagen des Web würden viele Menschen Daten mit Kennzeichnungen und Indextermen versehen, die semantische Suchmaschinen brauchen, um das Web zu durchsuchen. Yahoo hat erkannt, dass es nun genug Informationen als Grundlage für eine semantische Websuche gibt."
  3. Staab, S.: ¬Der Weg ins "Semantic Web" ist ein Schichtenmodell (2002) 0.02 
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    Content
    "Wie kann man semantische Informationen übermitteln? Die Antwort auf diese Frage ist - zur großen Verwunderung Vieler - nicht einfach XML. Die Standardsprache XML (mit ihren verschiedenen Add-Ons wie Xlink, Xpath) wird heutzutage vielfach benutzt, um Informationen zu übermitteln (etwa mittels XML/EDI für B2B-Transaktionen). Obwohl sie dabei bereits eine deutliche Erleichterung verschafft im Vergleich zu früheren ideosynkratischen Mechanismen (z.B. EDIFACT), ist XML per se nur bedingt geeignet, um semantische Zusammenhänge auszudrücken. Die Struktur eines XMLDokuments ist nicht gleichzusetzen mit der Semantik der darin enthaltenen Informationsbestandteile. Die Schemasprachen DTD (Document Type Definition) und XML-Schema sind zu schwach, um alle semantischen Zusammenhänge zu transportieren. Zur Lösung des Problems wurde ein Schichtenmodell konzipiert. Es baut auf den existierenden Standards für XML mit den Namespace-Mechanismen und XMLSchemadefinitionen auf, um Informationen auf syntaktischer Ebene zu transportieren. Allerdings wird die Ausdrucksfähigkeit von XML deutlich erweitert. Der Erweiterung liegt der Standard RDF (Ressource Description Framework) zugrunde. Mit diesem Ansatz können komplexe Aussagen über Tripel modelliert werden. "Alexander glaubt, dass Andreas ein Experte im Clustering ist", wird repräsentiert durch "Alexander glaubt X",X ist eine Aussage", "Das Subjekt von X ist Andreas",das Prädikat von X ist Experteln" und "das Objekt von X ist Clustering". Jede Ressource wird durch ein URI (Uniform Ressource Identifier) repräsentiert, z.B. wäre für Andreas www.aifb.unikarlsruhe.de/WBS/aho eine mögliche URI. Mit RDF Schema können darüber hinaus Gattungshierarchien aufgebaut werden, etwa um auszudrücken: "Andreas ist ein Experte" oder - exakter dargestellt - "Das Ding" hinter www.aifb.unikarlsruhe.de/WBS/aho ist ein Experte". Die darauf folgenden Ebenen des Schichtenmodells befassen sich mit einer zunehmend feineren Darstellung von inhaltlichen Beziehungen. Zum Beispiel umfassen semantische Technologien sogenannte "Ontologien", die für ein Fachgebiet nicht nur Kategorisierungen, sondern auch Regeln beschreiben. Mit ontologischen Regelmechanismen lassen sich auch implizite Verknüpfungen erkennen."
  4. Dextre Clarke, S.G.: Challenges and opportunities for KOS standards (2007) 0.01 
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    Date
    22. 9.2007 15:41:14
  5. Broughton, V.: Automatic metadata generation : Digital resource description without human intervention (2007) 0.01 
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    Date
    22. 9.2007 15:41:14
  6. Tudhope, D.: Knowledge Organization System Services : brief review of NKOS activities and possibility of KOS registries (2007) 0.01 
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    Date
    22. 9.2007 15:41:14
  7. Synak, M.; Dabrowski, M.; Kruk, S.R.: Semantic Web and ontologies (2009) 0.00 
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    Date
    31. 7.2010 16:58:22
  8. OWL Web Ontology Language Test Cases (2004) 0.00 
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    Date
    14. 8.2011 13:33:22
  9. Faaborg, A.; Lagoze, C.: Semantic browsing (2003) 0.00 
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    Source
    Research and advanced technology for digital libraries : 7th European Conference, proceedings / ECDL 2003, Trondheim, Norway, August 17-22, 2003
  10. Malmsten, M.: Making a library catalogue part of the Semantic Web (2008) 0.00 
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    Source
    Metadata for semantic and social applications : proceedings of the International Conference on Dublin Core and Metadata Applications, Berlin, 22 - 26 September 2008, DC 2008: Berlin, Germany / ed. by Jane Greenberg and Wolfgang Klas
  11. Schneider, R.: Web 3.0 ante portas? : Integration von Social Web und Semantic Web (2008) 0.00 
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    Date
    22. 1.2011 10:38:28
  12. Blumauer, A.; Pellegrini, T.: Semantic Web Revisited : Eine kurze Einführung in das Social Semantic Web (2009) 0.00 
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    Pages
    S.3-22
  13. Heflin, J.; Hendler, J.: Semantic interoperability on the Web (2000) 0.00 
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    Date
    11. 5.2013 19:22:18
  14. Gendt, M. van; Isaac, I.; Meij, L. van der; Schlobach, S.: Semantic Web techniques for multiple views on heterogeneous collections : a case study (2006) 0.00 
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    Source
    Research and advanced technology for digital libraries : 10th European conference, proceedings / ECDL 2006, Alicante, Spain, September 17 - 22, 2006
  15. Franklin, R.A.: Re-inventing subject access for the semantic web (2003) 0.00 
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    Date
    30.12.2008 18:22:46
  16. Zeng, M.L.; Fan, W.; Lin, X.: SKOS for an integrated vocabulary structure (2008) 0.00 
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    Abstract
    In order to transfer the Chinese Classified Thesaurus (CCT) into a machine-processable format and provide CCT-based Web services, a pilot study has been conducted in which a variety of selected CCT classes and mapped thesaurus entries are encoded with SKOS. OWL and RDFS are also used to encode the same contents for the purposes of feasibility and cost-benefit comparison. CCT is a collected effort led by the National Library of China. It is an integration of the national standards Chinese Library Classification (CLC) 4th edition and Chinese Thesaurus (CT). As a manually created mapping product, CCT provides for each of the classes the corresponding thesaurus terms, and vice versa. The coverage of CCT includes four major clusters: philosophy, social sciences and humanities, natural sciences and technologies, and general works. There are 22 main-classes, 52,992 sub-classes and divisions, 110,837 preferred thesaurus terms, 35,690 entry terms (non-preferred terms), and 59,738 pre-coordinated headings (Chinese Classified Thesaurus, 2005) Major challenges of encoding this large vocabulary comes from its integrated structure. CCT is a result of the combination of two structures (illustrated in Figure 1): a thesaurus that uses ISO-2788 standardized structure and a classification scheme that is basically enumerative, but provides some flexibility for several kinds of synthetic mechanisms Other challenges include the complex relationships caused by differences of granularities of two original schemes and their presentation with various levels of SKOS elements; as well as the diverse coordination of entries due to the use of auxiliary tables and pre-coordinated headings derived from combining classes, subdivisions, and thesaurus terms, which do not correspond to existing unique identifiers. The poster reports the progress, shares the sample SKOS entries, and summarizes problems identified during the SKOS encoding process. Although OWL Lite and OWL Full provide richer expressiveness, the cost-benefit issues and the final purposes of encoding CCT raise questions of using such approaches.
    Source
    Metadata for semantic and social applications : proceedings of the International Conference on Dublin Core and Metadata Applications, Berlin, 22 - 26 September 2008, DC 2008: Berlin, Germany / ed. by Jane Greenberg and Wolfgang Klas
  17. Multimedia content and the Semantic Web : methods, standards, and tools (2005) 0.00 
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    Classification
    006.7 22
    Date
    7. 3.2007 19:30:22
    DDC
    006.7 22
  18. Daconta, M.C.; Oberst, L.J.; Smith, K.T.: ¬The Semantic Web : A guide to the future of XML, Web services and knowledge management (2003) 0.00 
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    Date
    22. 5.2007 10:37:38
  19. Subirats, I.; Prasad, A.R.D.; Keizer, J.; Bagdanov, A.: Implementation of rich metadata formats and demantic tools using DSpace (2008) 0.00 
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    Metadata for semantic and social applications : proceedings of the International Conference on Dublin Core and Metadata Applications, Berlin, 22 - 26 September 2008, DC 2008: Berlin, Germany / ed. by Jane Greenberg and Wolfgang Klas
  20. Shoffner, M.; Greenberg, J.; Kramer-Duffield, J.; Woodbury, D.: Web 2.0 semantic systems : collaborative learning in science (2008) 0.00 
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    Metadata for semantic and social applications : proceedings of the International Conference on Dublin Core and Metadata Applications, Berlin, 22 - 26 September 2008, DC 2008: Berlin, Germany / ed. by Jane Greenberg and Wolfgang Klas

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